An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "245-NA"
},
{
"introduced": "0"
},
{
"last_affected": "33"
}
]
}